Open to the PUBLIC on the following dates & hours:
Saturday 26 May 2012
10.00am to 5.00pm (Enthusiasts & Hobbyist Welcome)
Sunday 27 May 2012
10.00am to 5.00pm (Enthusiasts & Hobbyist Welcome)

All visitors to the exhibition who PRE‐REGISTER online at http://www.thedigitalshow.com.au by Thursday 24 May 2012 will receive free entry. Otherwise, there will be a $20 entry fee charged at the door.

From the FAQ page:
IS THERE AN ENTRY FEE?
All visitors to the exhibition who PRE‐REGISTER online at http://www.thedigitalshow.com.au by Thursday 24 May 2012 will receive free entry. Otherwise, there will be a $20 entry fee charged at the door.